Sun shelter



FIG. 1 is a top, front, left-side perspective view of a sun shelter embodying my design;

FIG. 2 is a bottom, front perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a right-side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

All features in broken lines form no part of the claimed subject matter. Cross-hatching illustrates representative and non-limiting surface shading. 

CLAIM The ornamental design for a sun shelter, as shown and described. 